diff --git a/1_scrnaseq_data/scrnaseq_data.Rmd b/1_scrnaseq_data/scrnaseq_data.Rmd
index 866de37325157fc1db72bb493582ae499f160579..582a2ee55a02c6558df313b2635244a57c3585f0 100644
--- a/1_scrnaseq_data/scrnaseq_data.Rmd
+++ b/1_scrnaseq_data/scrnaseq_data.Rmd
@@ -776,7 +776,7 @@ Do we keep reads mapping to introns ?
 Do we keep reads mapping after the annotated 3' UTR ?
 
 \begin{center}
-\includegraphics[width=0.65\textwidth]{img/undetected_read_intergenic_mapping.png}
+\includegraphics[width=0.65\textwidth]{./img/undetected_read_intergenic_mapping.png}
 \end{center}
 
 ## mRNA identification
@@ -789,7 +789,7 @@ Do we keep reads mapping after the annotated 3' UTR ?
 \begin{columns}
 \column{0.65\textwidth}
 \begin{center}
-\includegraphics[width=\textwidth]{img/discared_reads.png
+\includegraphics[width=\textwidth]{./img/discared_reads.png
 }
 \end{center}
 \column{0.35\textwidth}
diff --git a/Makefile b/Makefile
index dee9f92e51566234ef4b9ad7a738b62ccb9ca9e0..d162d6c5f6a53682f2934de4cd9fdec435b96f11 100644
--- a/Makefile
+++ b/Makefile
@@ -6,19 +6,19 @@ all: 1_scrnaseq_data/scrnaseq_data.pdf \
   6_dea/dea.pdf
 
 1_scrnaseq_data/scrnaseq_data.pdf: 1_scrnaseq_data/scrnaseq_data.Rmd
-	cd 1_scrnaseq_data/ && make
+	make -C 1_scrnaseq_data/
 
 2_normalization/normalization.pdf: 2_normalization/normalization.Rmd
-	cd 2_normalization/ && make
+	make -C 2_normalization/
 
 3_dimension_reduction/dimension_reduction.pdf: 3_dimension_reduction/dimension_reduction.Rmd
-	cd 3_dimension_reduction/ && make
+	make -C 3_dimension_reduction/
 
 4_clustering/clustering.pdf: 4_clustering/clustering.Rmd
-	cd 4_clustering/ && make
+	make -C 4_clustering/
 
 5_pseudo_time/pseudo_time.pdf: 5_pseudo_time/pseudo_time.Rmd
-	cd 5_pseudo_time/ && make
+	make -C 5_pseudo_time/
 
 6_dea/dea.pdf: 6_dea/dea.Rmd
-	cd 6_dea/ && make
+	make -C 6_dea/
\ No newline at end of file