diff --git a/SpaceCadetPinball/partman.cpp b/SpaceCadetPinball/partman.cpp
index 16d811c..2901d74 100644
--- a/SpaceCadetPinball/partman.cpp
+++ b/SpaceCadetPinball/partman.cpp
@@ -92,16 +92,18 @@ DatFile* partman::load_records(LPCSTR lpFileName, bool fullTiltMode)
 				fread(&zMapHeader, 1, sizeof(dat16BitBmpHeader), fileHandle);
 				auto length = fieldSize - sizeof(dat16BitBmpHeader);
 
-				auto zMap = new zmap_header_type(zMapHeader.Width, zMapHeader.Height, zMapHeader.Stride);
-				zMap->Resolution = zMapResolution;
+				zmap_header_type* zMap;
 				if (zMapHeader.Stride * zMapHeader.Height * 2u == length)
 				{
+					zMap = new zmap_header_type(zMapHeader.Width, zMapHeader.Height, zMapHeader.Stride);
+					zMap->Resolution = zMapResolution;
 					fread(zMap->ZPtr1, 1, length, fileHandle);
 				}
 				else
 				{
 					// 3DPB .dat has zeroed zMap headers, in groups 497 and 498, skip them.
 					fseek(fileHandle, static_cast<int>(length), SEEK_CUR);
+					zMap = new zmap_header_type(0, 0, 0);
 				}
 				entryData->Buffer = reinterpret_cast<char*>(zMap);
 			}