diff --git a/src/libexpr/json-to-value.hh b/src/libexpr/json-to-value.hh
index 33f35b16c..3b0fdae11 100644
--- a/src/libexpr/json-to-value.hh
+++ b/src/libexpr/json-to-value.hh
@@ -6,7 +6,7 @@
 
 namespace nix {
 
-MakeError(JSONParseError, EvalError)
+MakeError(JSONParseError, EvalError);
 
 void parseJSON(EvalState & state, const string & s, Value & v);
 
diff --git a/src/libexpr/nixexpr.hh b/src/libexpr/nixexpr.hh
index 665a42987..f7e9105a4 100644
--- a/src/libexpr/nixexpr.hh
+++ b/src/libexpr/nixexpr.hh
@@ -9,14 +9,14 @@
 namespace nix {
 
 
-MakeError(EvalError, Error)
-MakeError(ParseError, Error)
-MakeError(AssertionError, EvalError)
-MakeError(ThrownError, AssertionError)
-MakeError(Abort, EvalError)
-MakeError(TypeError, EvalError)
-MakeError(UndefinedVarError, Error)
-MakeError(RestrictedPathError, Error)
+MakeError(EvalError, Error);
+MakeError(ParseError, Error);
+MakeError(AssertionError, EvalError);
+MakeError(ThrownError, AssertionError);
+MakeError(Abort, EvalError);
+MakeError(TypeError, EvalError);
+MakeError(UndefinedVarError, Error);
+MakeError(RestrictedPathError, Error);
 
 
 /* Position objects. */
diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index 68c2f2ce3..a1b9c92f8 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -1515,7 +1515,7 @@ void replaceValidPath(const Path & storePath, const Path tmpPath)
 }
 
 
-MakeError(NotDeterministic, BuildError)
+MakeError(NotDeterministic, BuildError);
 
 
 void DerivationGoal::buildDone()
diff --git a/src/libstore/store-api.hh b/src/libstore/store-api.hh
index 250e1a4bc..b860b48be 100644
--- a/src/libstore/store-api.hh
+++ b/src/libstore/store-api.hh
@@ -20,12 +20,12 @@
 namespace nix {
 
 
-MakeError(SubstError, Error)
-MakeError(BuildError, Error) /* denotes a permanent build failure */
-MakeError(InvalidPath, Error)
-MakeError(Unsupported, Error)
-MakeError(SubstituteGone, Error)
-MakeError(SubstituterDisabled, Error)
+MakeError(SubstError, Error);
+MakeError(BuildError, Error) /* denotes a permanent build failure */;
+MakeError(InvalidPath, Error);
+MakeError(Unsupported, Error);
+MakeError(SubstituteGone, Error);
+MakeError(SubstituterDisabled, Error);
 
 
 struct BasicDerivation;
diff --git a/src/libutil/serialise.hh b/src/libutil/serialise.hh
index 0120aeecb..128e287f3 100644
--- a/src/libutil/serialise.hh
+++ b/src/libutil/serialise.hh
@@ -274,7 +274,7 @@ Sink & operator << (Sink & sink, const Strings & s);
 Sink & operator << (Sink & sink, const StringSet & s);
 
 
-MakeError(SerialisationError, Error)
+MakeError(SerialisationError, Error);
 
 
 template<typename T>
diff --git a/src/libutil/thread-pool.hh b/src/libutil/thread-pool.hh
index bb16b639a..b22e0d162 100644
--- a/src/libutil/thread-pool.hh
+++ b/src/libutil/thread-pool.hh
@@ -11,7 +11,7 @@
 
 namespace nix {
 
-MakeError(ThreadPoolShutDown, Error)
+MakeError(ThreadPoolShutDown, Error);
 
 /* A simple thread pool that executes a queue of work items
    (lambdas). */
diff --git a/src/libutil/types.hh b/src/libutil/types.hh
index 92bf469b5..4bc91828b 100644
--- a/src/libutil/types.hh
+++ b/src/libutil/types.hh
@@ -116,9 +116,9 @@ public:
     {                                                   \
     public:                                             \
         using superClass::superClass;                   \
-    };
+    }
 
-MakeError(Error, BaseError)
+MakeError(Error, BaseError);
 
 class SysError : public Error
 {
diff --git a/src/libutil/util.hh b/src/libutil/util.hh
index 3493e80b5..5f1d1d181 100644
--- a/src/libutil/util.hh
+++ b/src/libutil/util.hh
@@ -160,7 +160,7 @@ void readFull(int fd, unsigned char * buf, size_t count);
 void writeFull(int fd, const unsigned char * buf, size_t count, bool allowInterrupts = true);
 void writeFull(int fd, const string & s, bool allowInterrupts = true);
 
-MakeError(EndOfFile, Error)
+MakeError(EndOfFile, Error);
 
 
 /* Read a file descriptor until EOF occurs. */
@@ -333,10 +333,10 @@ void inline checkInterrupt()
         _interrupted();
 }
 
-MakeError(Interrupted, BaseError)
+MakeError(Interrupted, BaseError);
 
 
-MakeError(FormatError, Error)
+MakeError(FormatError, Error);
 
 
 /* String tokenizer. */