diff --git a/extern/version.h.in b/extern/version.h.in
index 6fcc6a895..2a0b7e622 100644
--- a/extern/version.h.in
+++ b/extern/version.h.in
@@ -29,6 +29,7 @@
 #define COMPILER_VERSION    "@CMAKE_C_COMPILER_VERSION@"
 #define BUILD_ID            "@BUILD_ID@"
 
+#define TOOLKIT_VERSION          "1.0"
 
 static inline int get_version_legacy() { \
     return VERSION_MAJOR * 10000 + VERSION_MINOR * 1000 + VERSION_PATCH; \
diff --git a/src/solver/report.c b/src/solver/report.c
index dd1a3c9d4..18c58e11d 100644
--- a/src/solver/report.c
+++ b/src/solver/report.c
@@ -227,9 +227,10 @@ void report_writeLogo()
 //
 // OWA manages model version differently from EPA SWMM. 
 {
+    fprintf(Frpt.file, FMT08);
 	sprintf(Msg, \
-		"\n  OWA STORM WATER MANAGEMENT MODEL - VERSION v%s (OWA %.10s)", 
-        VERSION, BUILD_ID);
+		"\n  PYSWMM TOOLKIT API - VERSION v%s (%.10s)", 
+        TOOLKIT_VERSION, BUILD_ID);
 
     fprintf(Frpt.file, "%s", Msg);
     fprintf(Frpt.file, FMT09);