diff --git a/COMPILE.md b/COMPILE.md
index 7e2fd146..f280a3ce 100644
--- a/COMPILE.md
+++ b/COMPILE.md
@@ -30,7 +30,7 @@ cmake -DUSE_OPENJPEG=ON -DCMAKE_CXX_FLAGS=-g .. && make
 ```
 
 ##### ZLIB BUILD
- If we have zlib, we can use it (-lz) and disable [miniz](https://code.google.com/p/miniz/) (-myDisableMiniZ)
+ If we have zlib, we can use it (-lz) and disable [miniz](https://code.google.com/p/miniz/) (-DmyDisableMiniZ)
 
 ```
 g++ -O3 -DmyDisableOpenJPEG -I. main_console.cpp nii_dicom.cpp nifti1_io_core.cpp nii_ortho.cpp nii_dicom_batch.cpp jpg_0XC3.cpp ujpeg.cpp nii_foreign.cpp -o dcm2niix -lz -DmyDisableMiniZ g++ -O3 -I. main_console.cpp nii_dicom.cpp jpg_0XC3.cpp ujpeg.cpp nifti1_io_core.cpp nii_ortho.cpp nii_dicom_batch.cpp nii_foreign.cpp -o dcm2niix -DmyDisableOpenJPEG -Wl,-stack_size -Wl,3f00000
diff --git a/console/makefile b/console/makefile
index 9b1fee81..c2ab23f2 100644
--- a/console/makefile
+++ b/console/makefile
@@ -19,6 +19,10 @@ LFLAGS=
 # https://clang.llvm.org/docs/AddressSanitizer.html
 # clang++ -O1 -g -fsanitize=address -fno-omit-frame-pointer -I.  main_console.cpp nii_foreign.cpp nii_dicom.cpp jpg_0XC3.cpp ujpeg.cpp nifti1_io_core.cpp nii_ortho.cpp nii_dicom_batch.cpp base64.c cJSON.c -o dcm2niix -DmyDisableOpenJPEG
 
+#run "ZLIB=1 make" for ZLIB build
+ifeq "$(ZLIB)" "1"
+	CFILES += -DmyDisableMiniZ -lz
+endif
 
 #run "make" for default build
 #run "JPEGLS=1 make" for JPEGLS build
@@ -59,7 +63,7 @@ debug:
 	g++ -O0 $(LFLAGS) $(UFILES)
 
 jp2:
-	g++ -O0 $(LFLAGS) $(CFILES)  $(JFLAGS) -I/opt/homebrew/Cellar/openjpeg/2.5.3/include/openjpeg-2.5/ -L/opt/homebrew/Cellar/openjpeg/2.5.3/lib/ -lopenjp2
+	g++ $(CFLAGS) $(LFLAGS) $(CFILES) $(JFLAGS) -I/opt/homebrew/Cellar/openjpeg/2.5.3/include/openjpeg-2.5/ -L/opt/homebrew/Cellar/openjpeg/2.5.3/lib/ -lopenjp2
 
 noroi:
 	g++ $(CFLAGS) -I. $(JSFLAGS) $(JFLAGS) $(LFLAGS) $(UFILES) -DmyNoRois
diff --git a/console/nii_dicom.h b/console/nii_dicom.h
index 374f91a8..b981d2c9 100644
--- a/console/nii_dicom.h
+++ b/console/nii_dicom.h
@@ -50,7 +50,7 @@ extern "C" {
 #define kCPUsuf " " // unknown CPU
 #endif
 
-#define kDCMdate "v1.0.20241211"
+#define kDCMdate "v1.0.20241231"
 #define kDCMvers kDCMdate " " kJP2suf kLSsuf kCCsuf kCPUsuf
 
 static const int kMaxEPI3D = 1024; // maximum number of EPI images in Siemens Mosaic