Index: src/libcfa/assert.c
===================================================================
--- src/libcfa/assert.c	(revision c2ca04d9fcb38436d3cecb12ea970191dac218ab)
+++ src/libcfa/assert.c	(revision d4933b3211cb9da2491aebd641a5b04f8f755396)
@@ -22,9 +22,9 @@
 	extern const char * __progname;						// global name of running executable (argv[0])
 
-	#define CFA_ASSERT_FMT "Cforall Assertion error from program \"%s\" in \"%s\" at line %d in file \"%s\""
+	#define CFA_ASSERT_FMT "Cforall Assertion error \"%s\" from program \"%s\" in \"%s\" at line %d in file \"%s\""
 
 	// called by macro assert in assert.h
 	void __assert_fail( const char *assertion, const char *file, unsigned int line, const char *function ) {
-		__cfaabi_dbg_bits_print_safe( CFA_ASSERT_FMT ".\n", __progname, function, line, file );
+		__cfaabi_dbg_bits_print_safe( CFA_ASSERT_FMT ".\n", assertion, __progname, function, line, file );
 		abort();
 	}
@@ -33,5 +33,5 @@
 	void __assert_fail_f( const char *assertion, const char *file, unsigned int line, const char *function, const char *fmt, ... ) {
 		__cfaabi_dbg_bits_acquire();
-		__cfaabi_dbg_bits_print_nolock( CFA_ASSERT_FMT ": ", __progname, function, line, file );
+		__cfaabi_dbg_bits_print_nolock( CFA_ASSERT_FMT ": ", assertion, __progname, function, line, file );
 
 		va_list args;